63938630 has 40 divisors (see below), whose sum is σ = 134313552. Its totient is φ = 21913584.

The previous prime is 63938603. The next prime is 63938653. The reversal of 63938630 is 3683936.

63938630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22679 + ... + 25341.

Almost surely, 2^63938630 is an apocalyptic number.

63938630 is an abundant number, since it is smaller than the sum of its proper divisors (70374922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63938630 is an equidigital number, since it uses as much as digits as its factorization.

63938630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698 (or 2677 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 63938630 is about 7996.1634550577. The cubic root of 63938630 is about 399.8721049448.

The spelling of 63938630 in words is "sixty-three million, nine hundred thirty-eight thousand, six hundred thirty".